Liner for centrifugal liquid-separators.



No. 792,529. PATENTED JUNE 13, 1905.

W. W. MAR-SH- LINER FOR GENTRIFUGAL LIQUID SEPARATORS.

APPLICATION FILED SEPT. 26, 1904.

WITNESSES. HVVE/VTOR.

A Wilbur Wfl Iarsh,

4 UNITED STATES Patented June 13, 1905.

PATENT OFFICE.

WVILBUR WV. MARSH, OF WVATERLOO," IOWA.

SPECIFICATION forming part of Letters Patent No. 792,529, dated June 13,1905. Application filed September 26,1904. Serial No. 225,874.

To all whom it may concern:

Be it known that I, VVILBUR W. MARSH, a citizen of the United States ofAmerica, and a resident of Waterloo, Blackhawk county, Iowa, haveinvented certain new and useful Improvements in Liners for CentrifugalLiquid-Separators, of which the following is a specification.

My invention relates to improvements in liners for centrifugalliquid-separators and the object of my improvement is to furnisha linerbuilt up of superimposed separating devices formed in such a manner asto more effectually give vent to the lighter constituent of the liquidtoward the axis of the separator-bowl, thus preventing rapid clogging ofthe machine and perfecting the process of separation of the differingconstituents. This object I have accomplished by the means which arehereinafter described and claimed and which are illustrated in theaccompanying drawings, in whicl1- Figure 1 is a planview of one of myimproved forms of separating devices, and Fig. 2 is a verticaltransverse section of a series of superimposed separatingdevices of myimproved type as they would appear when set up for use in aseparator-bowl.

Similar letters refer to similar parts throughout both views.

The separating device or disk at is formed with a curved surface, asshown, although I do not mean to confine myself to any particular formof curve in delineating the superficies of the disks. The lower part ofthe disk is open, while the upper part is provided with a smalleropening Z) for the reception of the infiowing liquid to be separated. Inuse the disks are superimposed as shown and are kept a suitable distanceapart by means of studs 0 0, &c., on their upper surfaces. Other meansfor keeping the disks apart may be used, however, without departing fromthe principle of my invention, which is to so curve the disks downwardthat the spaces between their outer and lower edges are of much lessdimensions and width than are the spaces between their inner and upperedges. This is most perfectly effected by means of a curved disk, andthe result in use of this form of disk and the narrowing of the widthbetween the disks is to provide freer passage inward for the separatinglighter constituent of the liquid while under the action of centrifugalforce.

When used to separate cream from milk, it has been found that when thetemperature of the milk is considerably lowered from the ordinary andusual degree the butter molecules in the cream are somewhat congealedand tend to cling to and clog the passages of a separator of ordinarytype. To obviate this, the improved construction above set forth bygiving greater freedom of vent to the cream than the milk alreadyskimmed prevents the clogging of the surfaces of the disks by clottedcream. The heavier molecules of the blue or skimmed milk are enabled tofind sufficient vent under the influence of the powerful centrifugalforce through the narrower spaces near the outer peripheries ofthedisks. The retardation of the separating milk, also induced by thenarrowing of these spaces, also permits a more complete separation, andthe curved form of the disks also affords less opportunity for thecongealing butter globules to stick and clog.

Having described my invention, what I claim as new, and desire to secureby Letters Patent, is

1. A liner for centrifugal liquid-separators, consisting of a series ofsuperimposed separating-disks each of which is provided with means forspacing its surface apart from that of the next adjacent disk, and eachdisk being so formed that the widths of the spaces between it and itsadjacent disks are gradually narrowed in a direction outward from theaxis of said disks.

2. A liner for centrifugal liquid-separators, consisting of a series ofsuperimposed curved separatingdisks, with registering central openings,each disk being provided with means for spacing its surface apart fromthat of the next adjacent disk, and each disk being so formed that thewidth of the spaces between it and its adjacent disks are graduallynarrowed in a direction outward from the axis of said disks.

Signed at Waterloo, Iowa, this 17th day of September, 1904.

WILBUR WV. MARSH.

WVitnesses:

ELIZABETH M. HARRISON, ANNA MEADER.

